(slang) not to play a gooseberry (to interfere two people or in a relationship)
Definitions (粵典–words.hk)
形容詞
開明;識做;識得睇環境去避免尷尬 open-minded; sensible and tactful; worldly-wise
佢好通氣嘅,唔會阻住你哋二人世界。
佢好通气嘅,唔会阻住你哋二人世界。
keoi5 hou2 tung1 hei3 ge2, m4 wui5 zo2 zyu6 nei5 dei6 ji6 jan4 sai3 gaai3. He is very worldly-wise, he won't disturb you two during your quiet time together.